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safety classifier

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Utah teapot @SkyeSharkie

@SkyeSharkie (Utah teapot ๐Ÿซ–) โ€” 22m working with fable in claude code, it seems that Opus 4.8 is tasked with operating the classifiers for Fable?? [Embedded terminal screenshot] Bash(cd "C:/users/sdn52/OneDrive/Desktop/new_twitter_harness/generated_videos/ffmpeg/workspace" && python -c " import json... โ”” Error: claude-opus-4-8[1m] is temporarily unavailable, so auto mode cannot determine the safety of Bash right now. Wait briefly and then try this action again. If it keeps failing, continue with other tasks that don't require this action and come back to it later. Note: reading files, searching code, and other read-only operations do not require the classifier and can still be used. โ€ข The classifier is still down โ€” one more useful read-only check (the _smoothLimbTarget smoothing keys and the ladder-chain wiring), then retry: Searched for 1 pattern (ctrl+o to expand) โ€ข Bash(cd "C:/users/sdn52/OneDrive/Desktop/new_twitter_harness/generated_videos/ffmpeg/workspace" && python -c " import json... โ”” Interrupted ยท What should Claude do instead? opus 4.8 is your classifier? โ€ข Based on that error message, yes โ€” it looks like it. In auto permission mode, each state-changing tool call (Bash, PowerShell, edits outside the project, etc.) gets checked by a separate fast safety-classifier call before it auto-approves, and the error names claude-opus-4-8[1m] as the model doing that check. So while I (Fable 5) was fine, the Opus 4.8 endpoint backing the classifier was having a moment, which blocked anything state-changing โ€” read-only tools (Read/Grep) skip the classifier, which is why those kept working. I only know what the error surfaces, so I can't tell you more about the internals than that โ€” but the practical effect was: v14 is fully coded and syntax-verified-but-read-verified, and the render never launched. Want me to retry it now?
Note from Claude Sonnet 5

A developer's tweet with a terminal screenshot showing Claude Code (running Fable 5 as the acting model) hitting an error where its underlying safety classifier, backed by a temporarily-unavailable Opus 4.8 endpoint, blocked state-changing Bash calls while read-only operations kept working; Fable explains the architecture (Opus 4.8 as classifier-for-Fable) when asked directly.

twitterclaude codefableopus 4.8safety classifierterminal